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GMAT Club

Question of the Day (September 26)

Jeff 0

Quant

What is the value of integer x?

(1) 2x^2+9 \lt 9x

(2) |x+10|=2x+8

Question Discussion & Explanation

Correct Answer - D - (click and drag your mouse to see the answer)


Verbal

In their search for Mayan ruins in the jungles of Guatemala, archaeologists have been unable to utilize satellite imagery, which is taken by satellites that orbit 500 or more kilometers above the Earth's surface and cannot penetrate the dense tree canopy of the jungles. However, using new infrared imaging technology, which translates heat signatures into distinct colors, archaeologists have recently been able to discern some Mayan ruins in photographs taken from helicopters flown just above the tree canopy. If scientists can equip satellites with this new infrared imaging technology, the discovery of Mayan ruins in the jungles of Guatemala will surely be expedited.

The conclusion above logically depends on each of the following assumptions EXCEPT:

(A) All of the Mayan ruins in the jungles of Guatemala have not already been discovered.
(B) The new infrared imaging technology is compatible with satellites currently used to photograph the Earth from space.
(C) Some of the heat signatures of undiscovered Mayan ruins in the jungles of Guatemala are different from those of the surrounding jungle.
(D) The effectiveness of the new infrared imaging technology is not limited to photographs taken at heights just above the tree canopy.
(E) Funds will be available to cover the cost of launching at least one satellite with the new infrared imaging technology into orbit.

Question Discussion & Explanation

Correct Answer - B - (click and drag your mouse to see the answer)

Bonus RC Question of the Day

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